code: def tearDownClass(cls):
      torch._C._jit_clear_class_registry()
  
imports: from dataclasses import dataclass, field, InitVar
  from hypothesis import given, settings, strategies
  from torch.testing._internal.jit_utils import JitTestCase
  from typing import List, Optional
  import sys
  import torch
  import unittest
  from enum import Enum
label_desc: Use image node_id 1 for calling the TestDataclasses obj's underlying member method code with example usage: obj.tearDownClass(cls) without return types